Electric kettle



FIG. 1 is a front, right side, perspective view of an electric kettle showing our new design.

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is another perspective view thereof in a state of use.

The broken lines indicate portions of the article that form no part of the claimed design. 

CLAIM The ornamental design for an electric kettle, as shown and described. 